When a monster would be Normal or Special Summoned, OR a Spell/Trap Card is activated: Tribute 1 Plant-Type monster; negate the Summon or activation, and if you do, destroy that card.
Near Mint Unlimited - $0.30
Lightly Played Unlimited - $0.30
Moderately Played Unlimited - $0.20
Heavily Played Unlimited - $0.20
Damaged Unlimited - $0.20